You connect your device to your computer, open the Checkra1n desktop app, and follow the on-screen instructions to enter DFU Mode . Once the exploit runs, the Checkra1n loader app will appear on your iPhone screen, allowing you to install Cydia. Alternatives: If You Really Want an IPA Jailbreak
While the idea of a is convenient, the physics of how the checkm8 exploit works makes it impossible. Always download jailbreak tools from official sources (like checkra.in ) and never enter your Apple ID or download profiles from unverified "third-party app stores" claiming to offer one-click jailbreaks for the latest iOS versions.
If you find a website offering a Checkra1n IPA download, proceed with extreme caution. These are typically one of two things: